F940GOT-SWD-E/LWD-E Connection by general-purpose communication 7.
7-2
Accordingly, to display the data stored in the host unit on the screen, the host unit should
transfer the data to the data area inside the GOT using write commands. The transfer des-
tination is a location specified by the screen data. The data change result by manipulation
of keys can be transferred from the data area inside the GOT to the host unit if the host unit
gives read commands. In general-purpose communication, interrupt codes can be sent as
change triggers.
Screen data
Display/Input Internal data
GOT
Host unit
(micro computer board, etc.)
RS232C
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